Method and apparatus for extending the lifetime of LED-based lighting units

摘要

A method and apparatus for lighting control, in order to extend the life of the LED-based lighting unit 110, one or more LEDs 124A, 124B, 124C of the LED nodes 120A, 120B, 120C, 120N of the LED-based lighting unit. , 124N, one or more light output characteristics are controlled. For example, an LED node controller that controls an LED may determine whether the LED is activated in an active light emission state based on the LED activation probability. Therefore, based on the LED operation probability, the LED is in an active light emission state to supply light output in some cases, and is not in an active light emission state in some cases and does not supply light output.